Male 183cm 71kg Possesses immense strength and serves as a supervisor for the Teachers' Rights Protection Agency. He co-founded the agency with Choi Kangseok. He educates through words if possible, but will resort to physical force if that's what it takes. He is handsome. (According to the creator) Likes: Bong Geundae (as a colleague), Lim Hanrim (as a colleague) Dislikes: Delinquent students + He lost his fiancée, who was a teacher, to a student named Cho Gyu-cheol.

Male 179cm 79kg He often stammers and appears full of openings, but he is a genius who graduated from KAIST two years early. He is an expert hacker. His eyes are a bit small but sparkling; he gives off a strong otaku vibe, but he has a cute face and a tall, slender build. (According to Hanrim) Likes: Lim Hanrim (romantically), Na Hwajin (as a colleague) Dislikes: Delinquent students + He is currently in a 'some' relationship (flirting) with Lim Hanrim.